Significant Ownership of PFIZER INC

Signature - Title
/s/ Madelyn D. Purcell - Madelyn D. Purcell/Assistant Secretary
Location
New York, NY
Summary
This page shows a list of all the recent SCHEDULE 13D/G filings made by PFIZER INC.

Follow Filing Activity

Follow PFIZER INC and return when a new Schedule 13D/G filing changes the record on this page.

This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean. If you create an account from here, we will bring you back after verification.

Significant Ownership of PFIZER INC

Sym Company Class Ownership Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
ALLO Allogene Therapeutics, Inc. Common Stock, par value $0.001 per share (the "Common Stock") 9% $30,183,895 22,032,040 Pfizer Inc. 06 Nov 2025
ZURA Zura Bio Limited Class A Ordinary Shares, $0.0001 par value per share 4.6% $4,276,832 2,970,022 Pfizer Inc. 13-5315170 31 Dec 2024
CRDF Cardiff Oncology, Inc. Common Stock, $0.0001 par value per share 3.6% $6,704,178 2,411,575 Pfizer Inc. 13-5315170 31 Dec 2024
NXTC NEXTCURE, INC. Common Stock par value $0.001 per share 3% $923,806 157,646 Pfizer Inc. (IRS Identification No.: 13-5315170) 31 Dec 2025
QTTB Q32 Bio Inc. Common Stock par value $0.0001 per share 2.3% $994,442 277,777 Pfizer Inc. (IRS Identification No.: 13-5315170) 31 Dec 2024
HLN Haleon plc Ordinary Shares, nominal value GBP0.01 per share 0% $0 -$6,822,227,667 0 -100% Pfizer Inc. 21 Mar 2025

Schedules 13D/G Reported by PFIZER INC:

Sym Target Class Ownership Change Current Shares Change Value Reporting name Form Report Period Filing Date
* An asterisk sign (*) next to the price indicates that the price is likely invalid.
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Here you can make detailed settings or revoke your consent (in part if necessary) with effect for the future. For further information, please refer to our Privacy Policy .